3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($firstname ?? 'Lee');

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0170.00316.63
8.3.50.0100.00821.08
8.3.40.0070.01018.64
8.3.30.0100.01018.55
8.3.20.0090.00020.30
8.3.10.0050.00323.66
8.3.00.0000.00817.68
8.2.180.0120.00618.16
8.2.170.0070.00722.96
8.2.160.0090.00920.13
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00317.25
8.2.110.0060.00319.36
8.2.100.0000.01217.78
8.2.90.0030.00519.14
8.2.80.0030.00617.97
8.2.70.0040.00417.38
8.2.60.0040.00717.80
8.2.50.0000.00818.07
8.2.40.0000.00921.19
8.2.30.0030.00320.64
8.2.20.0120.00017.45
8.2.10.0000.00717.80
8.2.00.0000.00717.79
8.1.280.0110.00425.92
8.1.270.0000.00823.95
8.1.260.0040.00426.35
8.1.250.0030.00328.09
8.1.240.0000.00923.97
8.1.230.0070.00317.42
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00820.25
8.1.160.0050.00221.86
8.1.150.0040.00418.75
8.1.140.0030.00519.32
8.1.130.0030.00317.43
8.1.120.0000.00717.32
8.1.110.0000.00717.22
8.1.100.0040.00417.32
8.1.90.0000.00717.20
8.1.80.0030.00317.37
8.1.70.0040.00417.33
8.1.60.0000.00817.40
8.1.50.0060.00317.36
8.1.40.0040.00717.23
8.1.30.0030.00517.50
8.1.20.0000.00717.52
8.1.10.0040.00417.46
8.1.00.0000.00817.27
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0070.00018.31
8.0.270.0000.00717.02
8.0.260.0030.00317.11
8.0.250.0070.00016.71
8.0.240.0000.00716.84
8.0.230.0040.00416.69
8.0.220.0000.00716.63
8.0.210.0000.00716.66
8.0.200.0040.00416.85
8.0.190.0020.00516.75
8.0.180.0070.00016.66
8.0.170.0040.00416.60
8.0.160.0070.00016.65
8.0.150.0040.00416.67
8.0.140.0070.00016.70
8.0.130.0000.00513.18
8.0.120.0040.00416.62
8.0.110.0000.00716.66
8.0.100.0070.00016.61
8.0.90.0080.00016.79
8.0.80.0090.00616.80
8.0.70.0050.00216.79
8.0.60.0000.00716.83
8.0.50.0000.00716.68
8.0.30.0130.00616.94
8.0.20.0150.00517.40
8.0.10.0000.00716.77
8.0.00.0120.00616.60
7.4.330.0050.00015.08
7.4.320.0040.00416.41
7.4.300.0020.00516.44
7.4.290.0000.00716.45
7.4.280.0000.00816.50
7.4.270.0000.00616.38
7.4.260.0040.00416.25
7.4.250.0070.00016.25
7.4.240.0040.00416.46
7.4.230.0000.00716.48
7.4.220.0100.01016.56
7.4.210.0090.00916.37
7.4.200.0000.00716.43
7.4.160.0030.01016.37
7.4.150.0100.01317.40
7.4.140.0150.00717.86
7.4.130.0090.01116.41
7.4.120.0130.00516.42
7.4.110.0090.00916.22
7.4.100.0060.01716.38
7.4.90.0030.01316.52
7.4.80.0060.01019.39
7.4.70.0030.01216.32
7.4.60.0080.00816.44
7.4.50.0040.00416.43
7.4.40.0060.01216.30
7.4.30.0180.00416.50
7.4.00.0070.00714.43
7.3.330.0000.00713.17
7.3.320.0000.00513.03
7.3.310.0030.00316.26
7.3.300.0030.00316.10
7.3.290.0050.00916.15
7.3.280.0090.00816.18
7.3.270.0060.01117.40
7.3.260.0090.01316.29
7.3.250.0100.00816.25
7.3.240.0110.00816.48
7.3.230.0140.00316.39
7.3.210.0070.01116.45
7.3.200.0070.01016.08
7.3.190.0090.00616.25
7.3.180.0060.00916.15
7.3.170.0070.01016.27
7.3.160.0100.00716.13
7.2.330.0080.01116.34
7.2.320.0000.01716.14
7.2.310.0130.00816.56
7.2.300.0060.00916.46
7.2.290.0090.01416.22
7.2.60.0040.00716.50
7.2.00.0080.00619.36
7.1.200.0000.01015.47
7.1.100.0060.00318.00
7.1.70.0150.00417.02
7.1.60.0100.01319.50
7.1.50.0090.01216.54
7.1.00.0030.07722.27
7.0.200.0030.01016.72
7.0.60.0070.08321.77
7.0.50.0130.05017.76
7.0.40.0030.04320.27
7.0.30.0300.07720.18
7.0.20.0230.04720.20
7.0.10.0300.04020.02
7.0.00.0200.04320.32
5.6.280.0030.03320.91
5.6.210.0030.04020.43
5.6.200.0070.08318.18
5.6.190.0070.04320.61
5.6.180.0330.08320.30
5.6.170.0270.05320.44
5.6.160.0100.08720.46
5.6.150.0070.06318.28
5.6.140.0030.07018.25
5.6.130.0030.04018.27
5.6.120.0100.06020.89
5.6.110.0070.04721.02
5.6.100.0170.07320.97
5.6.90.0100.07320.96
5.6.80.0130.05720.37
5.5.350.3070.03020.40
5.5.340.0030.08017.99
5.5.330.0030.06720.26
5.5.320.0270.07720.57
5.5.310.0230.08320.23
5.5.300.0170.07318.08
5.5.290.0070.08017.91
5.5.280.0070.06020.76
5.5.270.0070.04720.86
5.5.260.0170.07320.88
5.5.250.0000.07720.69
5.5.240.0270.06720.14
5.4.450.0770.04719.55
5.4.440.0670.05319.16
5.4.430.0630.05319.57
5.4.420.0600.05719.16
5.4.410.0900.07019.45
5.4.400.0770.05319.15
5.4.390.0800.05319.22
5.4.380.0730.04318.85
5.4.370.0700.05019.28
5.4.360.0670.05319.13
5.4.350.0500.06319.02
5.4.340.0870.06719.14
5.4.320.0800.05719.01
5.4.310.0800.05019.28
5.4.300.0670.05719.37
5.4.290.0670.05319.27
5.4.280.0630.05718.98
5.4.270.0970.05319.22
5.4.260.0830.04019.25
5.4.250.0730.05319.11
5.4.240.0730.05719.09
5.4.230.0830.04719.13
5.4.220.0800.05319.05
5.4.210.0770.06018.83
5.4.200.0730.05319.14
5.4.190.0830.04719.13
5.4.180.0930.03718.85
5.4.170.0830.06719.25
5.4.160.0830.04319.25
5.4.150.0900.05018.78
5.4.140.0800.06016.39
5.4.130.0700.06016.45
5.4.120.0730.05016.50
5.4.110.0770.05316.62
5.4.100.0870.04316.31
5.4.90.0670.04716.43
5.4.80.0670.04316.25
5.4.70.0800.05016.55
5.4.60.0830.04716.22
5.4.50.0670.05716.57
5.4.40.0770.05016.54
5.4.30.0670.05716.42
5.4.20.0700.04316.49
5.4.10.0800.03316.60
5.4.00.0600.05015.76

preferences:
68.09 ms | 401 KiB | 5 Q